PYREX® VISTA™ 25mL Class B Volumetric Flask with Polyethylene Snap Cap – 70581-25

The PYREX® VISTA™ 25mL Class B Volumetric Flask is a laboratory glass instrument designed for accurate preparation of small-volume chemical solutions, sample dilution, and routine volumetric analysis. Manufactured by Corning, this flask features a narrow neck with a single calibration mark, a stable flat bottom, and a blue polyethylene snap cap for convenient closure. Its Class B accuracy makes it suitable for routine laboratory applications where Class A precision is not required. Ideal for pharmaceutical laboratories, chemical testing facilities, medical laboratories, research institutions, educational laboratories, and quality control departments. Key Features & Specifications - Brand: PYREX® VISTA™ - Manufacturer: Corning - Product Number: 70581-25 - Supplier Reference: 401491 - Capacity: 25mL - Product Type: Volumetric Laboratory Flask - Accuracy Classification: Class B - Calibration: To Contain (TC) - Accuracy Tolerance: Twice the tolerance specified for comparable Class A volumetric flasks - Material: Laboratory glass - Graduation: Single permanent calibration mark - Neck Design: Long narrow neck for accurate liquid-level adjustment - Cap Type: Polyethylene snap cap - Cap Colour: Blue - Cap Size: No. 25 - Replacement Cap Series: Corning 7666 - Bottom Design: Flat bottom for stable positioning - Marking Spot: Blue marking area for sample identification - Reusable: Yes - Sterility: Non-sterile - Manufacturer Packaging: 6 flasks per pack and 12 per case - Applications: Solution preparation, sample dilution, chemical analysis, pharmaceutical testing, and laboratory research